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Battery Charging Status Witty Timer Firmware Critical Update

An important firmware update for the Witty Timer. Please read and apply the patch.

We’ve recently found out a critical vulnerability of the battery monitoring of the Witty Timer that may cause problems with revealing the correct battery charging status.

To solve this hardware low-level problem, it is necessary not only to upgrade the firmware but also to upgrade part of the operating system and of the “boot loader”. To do this it is necessary to follow some more steps than for a normal firmware update